2001
Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients
Russell R, Chyun D, Song S, Sherwin R, Tamborlane W, Lee F, Pfeifer M, Rife F, Wackers F, Young L. Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients. AJP Endocrinology And Metabolism 2001, 281: e1029-e1036. PMID: 11595660, DOI: 10.1152/ajpendo.2001.281.5.e1029.Peer-Reviewed Original ResearchMeSH KeywordsAdultCardiac OutputCatecholaminesChemical PrecipitationDiabetes Mellitus, Type 1DiastoleEpinephrineFatty Acids, NonesterifiedFemaleGlucagonGlucose Clamp TechniqueHeartHeart RateHumansHydrocortisoneHypoglycemiaInsulinLactic AcidMaleNorepinephrinePolyethylene GlycolsStroke VolumeSystoleVentricular Function, LeftConceptsType 1 diabetic patientsInsulin-induced hypoglycemiaNondiabetic groupType 1 diabetesDiabetic subjectsEuglycemic hyperinsulinemiaDiabetic patientsNondiabetic subjectsCardiac responseLeft ventricular systolicHealthy nondiabetic subjectsEquilibrium radionuclide angiographyDiabetic groupDiastolic functionVentricular systolicCardiovascular consequencesVentricular functionBlunted increaseCardiac outputGlucagon concentrationsPlasma catecholaminesRadionuclide angiographyInsulin infusionEuglycemic conditionsHypoglycemia
1995
Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia.
Shi CQ, Sinusas AJ, Dione DP, Singer MJ, Young LH, Heller EN, Rinker BD, Wackers FJ, Zaret BL. Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia. Journal Of Nuclear Medicine 1995, 36: 1078-86. PMID: 7769431.Peer-Reviewed Original ResearchConceptsIschemic regionMyocardial ischemiaBlood flowEx vivo SPECTRegional myocardial blood flowPartial coronary occlusionMicrosphere blood flowMyocardial blood flowOpen-chest canine modelVivo SPECT imagesSPECT imagesVivo planarCentral ischemic regionCoronary occlusionDemand ischemiaBMS181321Technetium-99mIntravenous injectionLiver ratioMyocardial imagingCanine modelPositive imagingHepatic clearanceLiver activityArterial sampling
1991
Myocardial protein turnover in patients with coronary artery disease. Effect of branched chain amino acid infusion.
Young LH, McNulty PH, Morgan C, Deckelbaum LI, Zaret BL, Barrett EJ. Myocardial protein turnover in patients with coronary artery disease. Effect of branched chain amino acid infusion. Journal Of Clinical Investigation 1991, 87: 554-560. PMID: 1991838, PMCID: PMC296343, DOI: 10.1172/jci115030.Peer-Reviewed Original ResearchConceptsBranched-chain amino acid infusionCoronary artery diseaseAmino acid infusionProtein turnoverBCAA infusionProtein synthesisArtery diseaseAcid infusionAmino acidsMyocardial protein turnoverCardiac double productCoronary blood flowPlasma insulin levelsMyocardial oxygen consumptionHuman heartProtein degradationNegative protein balanceEssential amino acidsMyocardial balanceInsulin levelsDouble productPhenylalanine balanceAnabolic effectsMyocardial uptakePostabsorptive patients
1990
Metabolic and functional effects of perfluorocarbon distal perfusion during coronary angioplasty
Young L, Jaffe C, Revkin J, McNulty P, Cleman M. Metabolic and functional effects of perfluorocarbon distal perfusion during coronary angioplasty. The American Journal Of Cardiology 1990, 65: 986-990. PMID: 2327360, DOI: 10.1016/0002-9149(90)91001-m.Peer-Reviewed Original ResearchConceptsGreat cardiac veinDistal perfusionLactate releaseEjection fractionVentricular functionCardiac veinBalloon inflationLeft ventricular ejection fractionDistal coronary perfusionMyocardial lactate metabolismVentricular ejection fractionMyocardial lactate releaseRegional contractile functionNet lactate extractionNet lactate releaseCoronary angioplastyLeft anteriorCoronary perfusionLactate extractionContractile functionPerfusionAngioplastyLactate concentrationLactate metabolismOxygenated perfluorocarbon
1989
Physiologic hyperinsulinemia stimulates lactate extraction by heart muscle in the conscious dog
Young L, Zaret B, Barrett E. Physiologic hyperinsulinemia stimulates lactate extraction by heart muscle in the conscious dog. Metabolism 1989, 38: 1115-1119. PMID: 2682138, DOI: 10.1016/0026-0495(89)90049-8.Peer-Reviewed Original ResearchConceptsPhysiologic hyperinsulinemiaConscious dogsFree fatty acidsArterial free fatty acid concentrationMumol/minHeart muscleArterial plasma insulinMyocardial lactate uptakeFree fatty acid concentrationsArterial lactate concentrationHyperinsulinemic-euglycemic clampMyocardial glucose uptakeHyperinsulinemia increasesEuglycemic hyperinsulinemiaNormal heart muscleEuglycemic clampFatty acidsPlasma insulinBasal measurementsBlood glucoseLactate extractionFatty acid concentrationsMyocardial uptakeLactate uptakeHyperinsulinemia